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Tag Archives: fluvial landforms
THEMIS: Branching channels of Arda Valles
THEMIS Image of the Day, December 29, 2016. Today’s false color image shows some of the many channels that make up Arda Valles. Their shape and meandering courses suggest that they were eroded by flowing streams or rivers. The THEMIS … Continue reading
Posted in Reports
Tagged Arda Valles, Arizona State University, ASU, fluvial channels, fluvial erosion, fluvial landforms, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, valley networks
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Karun Valles & its braided alluvial fan
Planetary Geomorphology Image of the Month, September 29, 2016: Solmaz Adeli (DLR, Institute of Planetary Research, Berlin). The Amazonian period on Mars, meaning roughly the last 3 Ga, is globally believed to have been cold and hyperarid [e.g., Marchant and … Continue reading
Posted in Reports
Tagged alluvial fan deposits, alluvial fans, Ariadnes Colles, cataracts, fluvial channels, fluvial deposits, fluvial erosion, fluvial landforms, Karun Valles, streamlined islands, Terra Cimmeria
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Mars had lakes & streams long after early wet era
Lakes and snowmelt-fed streams on Mars formed much later than previously thought possible, according to new findings using data primarily from NASA’s Mars Reconnaissance Orbiter. The recently discovered lakes and streams appeared roughly a billion years after a well-documented, earlier … Continue reading
Posted in Reports
Tagged Arabia Terra, fluvial channels, fluvial deposits, fluvial erosion, fluvial landforms, lakes, paleolakes, streamlined islands
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Water, water, everywhere…?
Planetary Geomorphology Image of the Month, September 1, 2016: Susan J. Conway (CNRS and LPG Nantes, France). The similarity of water-formed landforms on Earth is often used as a key argument for the involvement of liquid water in shaping the surfaces … Continue reading
THEMIS: Terra Sabaea channels
THEMIS Image of the Day, April 15, 2016. The northern margin of Terra Sabaea has numerous channels. This VIS image shows a portion of an unnamed channel on the margin of Terra Sabaea. More THEMIS Images of the Day by … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, fluvial channels, fluvial landforms, Mars Odyssey, NASA, Terra Sabaea, THEMIS, Thermal Emission Imaging System
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THEMIS: Terra Sabaea
THEMIS Image of the Day, February 26, 2016. This VIS image shows a small unnamed channel in Terra Sabaea. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, channels, fluvial channels, fluvial landforms, Mars Odyssey, NASA, Terra Sabaea, THEMIS, Thermal Emission Imaging System
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THEMIS: Gale Crater – false color
THEMIS Image of the Day, January 26, 2016. Today’s false color image shows part of the floor of Gale Crater, home of the Curiosity Rover. The location of the rover is to the north of this image. The dark material … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Curiosity, fluvial channels, fluvial landforms, Gale Crater, Mars Odyssey, Mars Science Laboratory, MSL, NASA, THEMIS, Thermal Emission Imaging System
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HiRISE: Ancient rivers
Early in Martian history, liquid water energetically carved the surface, forming channel systems that look remarkably similar to river valleys and drainage networks on Earth. Exactly how these channels formed—by rainfall, snowmelt, or seepage from underground springs — is often … Continue reading
Posted in Reports
Tagged fluvial channels, fluvial deposits, fluvial landforms, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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THEMIS: Hebrus Valles
THEMIS Image of the Day, January 12, 2016. This VIS image shows a portion of Hebrus Valles. This channel system was formed by liquid flow of either water or lava, or a combination of both. There is a streamlined island … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, fluvial channels, fluvial landforms, Hebrus Valles, lava channels, Mars Odyssey, NASA, stream erosion, streamlined islands, THEMIS, Thermal Emission Imaging System, volcanics
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THEMIS: Athabasca Valles
THEMIS Image of the Day, December 18, 2015. Today’s VIS image shows a portion of Athabasca Valles. The channel has eroded some of the ejecta around the unnamed crater in the upper part of the image. More THEMIS Images of … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Athabasca Valles, channels, fluvial channels, fluvial landforms, Mars Odyssey, NASA, THEMIS, Thermal Emission Imaging System, volcanics
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